reduce.h

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*   © 2012,2014 Advanced Micro Devices, Inc. All rights reserved.
*
*   Licensed under the Apache License, Version 2.0 (the "License");
*   you may not use this file except in compliance with the License.
*   You may obtain a copy of the License at
*
*       http://www.apache.org/licenses/LICENSE-2.0
*
*   Unless required by applicable law or agreed to in writing, software
*   distributed under the License is distributed on an "AS IS" BASIS,
*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*   See the License for the specific language governing permissions and
*   limitations under the License.

***************************************************************************/

#if !defined( BOLT_AMP_REDUCE_H )
#define BOLT_AMP_REDUCE_H
#pragma once

#include <iostream>  // FIXME, remove as this is only here for debug output
#include <vector>
#include <array>
#include <amp.h>
#include <numeric>
#include "bolt/amp/bolt.h"
#include "bolt/amp/functional.h"

namespace bolt {
    namespace amp {

        template<typename InputIterator>
        typename std::iterator_traits<InputIterator>::value_type
            reduce(bolt::amp::control &ctl,
            InputIterator first,
            InputIterator last);

        template<typename InputIterator>
        typename std::iterator_traits<InputIterator>::value_type
            reduce(InputIterator first,
            InputIterator last);


        template<typename InputIterator, typename T>
            T  reduce(bolt::amp::control &ctl,
            InputIterator first,
            InputIterator last,
            T init);

        template<typename InputIterator, typename T>
            T reduce(InputIterator first,
            InputIterator last,
            T init);

        template<typename InputIterator, typename T, typename BinaryFunction>
        T reduce(bolt::amp::control &ctl,
            InputIterator first,
            InputIterator last,
            T init,
            BinaryFunction binary_op=bolt::amp::plus<T>());

        template<typename InputIterator, typename T, typename BinaryFunction>
        T reduce(InputIterator first,
            InputIterator last,
            T init,
            BinaryFunction binary_op);

    };
};

#include <bolt/amp/detail/reduce.inl>


#endif